

//不换行
.ellipsis(){
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}
// 扩展点击区域
.extend-click{
  position: relative;
  &:before{
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
 }
}
.placeholder{
  ::-webkit-input-placeholder {
      color: #fff;
  }
  :-moz-placeholder {
      color: #fff;
  }
  ::-moz-placeholder {
    color:#fff;
  }
}